(October 28, 2011) The northbound and southbound Dallas North Tollway will be closed Friday night, October 28, the northeast-bound and southwest-bound Sam Rayburn Tollway will be closed Saturday night, October 29, and there will be alternating lane closures on both tollways all day Sunday, October 30. The details of each closure are described below. NTTA has provided a map which shows these closures and the detour routes.

Road Closures Friday night, October 28These closures will start at 11:00 p.m. on Friday night and will reopen by 9:00 a.m. on Saturday morning, October 29.

The northbound Dallas North Tollway main lanes will be closed between Headquarters Drive in Plano and Gaylord Parkway in Frisco. Northbound traffic on the DNT will be diverted onto the northbound Dallas Parkway frontage road at Headquarters Drive and will be able to re-enter the DNT at Gaylord Parkway.

The southbound Dallas North Tollway main lanes will be closed between Gaylord Parkway in Frisco and Headquarters Drive in Plano. Southbound traffic will be diverted onto the southbound Dallas Parkway frontage road at Gaylord Parkway and will be able to re-enter the DNT at Headquarters Drive.

Road Closures on Saturday, October 29These closures will start at 11:00 p.m. on Saturday night and will reopen by 9:00 a.m. on Sunday morning, October 30.

The northeast-bound Sam Rayburn Tollway main lanes will be closed between Legacy Drive and Parkwood Boulevard. Northeast-bound traffic will be diverted onto the northeast-bound SH 121 frontage road just east of Legacy Drive and will be able to re-enter the SRT east of Parkwood Boulevard.

The southwest-bound Sam Rayburn Tollway main lanes will be closed between Parkwood Boulevard and Legacy Drive. Southwest-bound traffic will be diverted onto the southwest-bound SH 121 frontage road at Parkwood Boulevard and will be able to re-enter the SRT at Legacy Drive.

Lane Closures on Sunday, October 30These lane closures will start at 9:00 a.m. on Sunday morning and will reopen by 9:00 p.m. Sunday night.

Alternating lanes will be closed in both directions of the Dallas North Tollway between Gaylord Parkway in Frisco and Headquarters Drive in Plano. At least one through lane will remain open to traffic in each direction at all times, but motorists should expect delays during the day.

Alternating lanes will be closed in both directions of the Sam Rayburn Tollway between Legacy Drive and Parkwood Boulevard. At least two through lanes will remain open to traffic in each direction at all times.

These road closures are part of NTTA’s interchange construction project. Motorists are urged to use caution in the construction zone and to choose an alternate route in advance.